package com.qf.stu.application;

import com.alibaba.cloud.nacos.NacosDiscoveryProperties;
import com.alibaba.cloud.nacos.loadbalancer.NacosLoadBalancer;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.loadbalancer.core.ReactorLoadBalancer;
import org.springframework.cloud.loadbalancer.core.ServiceInstanceListSupplier;
import org.springframework.cloud.loadbalancer.support.LoadBalancerClientFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.core.env.Environment;

public class LBConfig {

    /**
     * 配置随机的负载均衡器
     */
    @Bean
    public ReactorLoadBalancer<ServiceInstance> randomLoadBalancer(Environment environment,
                                                                   LoadBalancerClientFactory loadBalancerClientFactory,
                                                                   NacosDiscoveryProperties nacosDiscoveryProperties) {
        String name = environment.getProperty(LoadBalancerClientFactory.PROPERTY_NAME);
        return new NacosLoadBalancer(loadBalancerClientFactory
                .getLazyProvider(name, ServiceInstanceListSupplier.class),
                name, nacosDiscoveryProperties);
    }
}
